40452520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 105753600

約数和(自身を除く): 65301080

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 85, 95, 101, 124, 136, 152, 155, 170, 190, 202, 248, 310, 323, 340, 380, 404, 505, 527, 589, 620, 646, 680, 760, 808, 1010, 1054, 1178, 1240, 1292, 1615, 1717, 1919, 2020, 2108, 2356, 2584, 2635, 2945, 3131, 3230, 3434, 3838, 4040, 4216, 4712, 5270, 5890, 6262, 6460, 6868, 7676, 8585, 9595, 10013, 10540, 11780, 12524, 12920, 13736, 15352, 15655, 17170, 19190, 20026, 21080, 23560, 25048, 31310, 32623, 34340, 38380, 40052, 50065, 53227, 59489, 62620, 65246, 68680, 76760, 80104, 100130, 106454, 118978, 125240, 130492, 163115, 200260, 212908, 237956, 260984, 266135, 297445, 326230, 400520, 425816, 475912, 532270, 594890, 652460, 1011313, 1064540, 1189780, 1304920, 2022626, 2129080, 2379560, 4045252, 5056565, 8090504, 10113130, 20226260, 40452520]

約数ペア:

[(1, 40452520), (2, 20226260), (4, 10113130), (5, 8090504), (8, 5056565), (10, 4045252), (17, 2379560), (19, 2129080), (20, 2022626), (31, 1304920), (34, 1189780), (38, 1064540), (40, 1011313), (62, 652460), (68, 594890), (76, 532270), (85, 475912), (95, 425816), (101, 400520), (124, 326230), (136, 297445), (152, 266135), (155, 260984), (170, 237956), (190, 212908), (202, 200260), (248, 163115), (310, 130492), (323, 125240), (340, 118978), (380, 106454), (404, 100130), (505, 80104), (527, 76760), (589, 68680), (620, 65246), (646, 62620), (680, 59489), (760, 53227), (808, 50065), (1010, 40052), (1054, 38380), (1178, 34340), (1240, 32623), (1292, 31310), (1615, 25048), (1717, 23560), (1919, 21080), (2020, 20026), (2108, 19190), (2356, 17170), (2584, 15655), (2635, 15352), (2945, 13736), (3131, 12920), (3230, 12524), (3434, 11780), (3838, 10540), (4040, 10013), (4216, 9595), (4712, 8585), (5270, 7676), (5890, 6868), (6262, 6460)]