28946240

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{313}}^1$

素因数の和:364

約数の個数: 84

約数和(自身を含む): 73455276

約数和(自身を除く): 44509036

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 289, 313, 320, 340, 544, 578, 626, 680, 1088, 1156, 1252, 1360, 1445, 1565, 2312, 2504, 2720, 2890, 3130, 4624, 5008, 5321, 5440, 5780, 6260, 9248, 10016, 10642, 11560, 12520, 18496, 20032, 21284, 23120, 25040, 26605, 42568, 46240, 50080, 53210, 85136, 90457, 92480, 100160, 106420, 170272, 180914, 212840, 340544, 361828, 425680, 452285, 723656, 851360, 904570, 1447312, 1702720, 1809140, 2894624, 3618280, 5789248, 7236560, 14473120, 28946240]

約数ペア:

[(1, 28946240), (2, 14473120), (4, 7236560), (5, 5789248), (8, 3618280), (10, 2894624), (16, 1809140), (17, 1702720), (20, 1447312), (32, 904570), (34, 851360), (40, 723656), (64, 452285), (68, 425680), (80, 361828), (85, 340544), (136, 212840), (160, 180914), (170, 170272), (272, 106420), (289, 100160), (313, 92480), (320, 90457), (340, 85136), (544, 53210), (578, 50080), (626, 46240), (680, 42568), (1088, 26605), (1156, 25040), (1252, 23120), (1360, 21284), (1445, 20032), (1565, 18496), (2312, 12520), (2504, 11560), (2720, 10642), (2890, 10016), (3130, 9248), (4624, 6260), (5008, 5780), (5321, 5440)]