25579320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:909

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 61511880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 863, 988, 1140, 1235, 1482, 1560, 1726, 1976, 2280, 2470, 2589, 2964, 3452, 3705, 4315, 4940, 5178, 5928, 6904, 7410, 8630, 9880, 10356, 11219, 12945, 14820, 16397, 17260, 20712, 22438, 25890, 29640, 32794, 33657, 34520, 44876, 49191, 51780, 56095, 65588, 67314, 81985, 89752, 98382, 103560, 112190, 131176, 134628, 163970, 168285, 196764, 213161, 224380, 245955, 269256, 327940, 336570, 393528, 426322, 448760, 491910, 639483, 655880, 673140, 852644, 983820, 1065805, 1278966, 1346280, 1705288, 1967640, 2131610, 2557932, 3197415, 4263220, 5115864, 6394830, 8526440, 12789660, 25579320]

約数ペア:

[(1, 25579320), (2, 12789660), (3, 8526440), (4, 6394830), (5, 5115864), (6, 4263220), (8, 3197415), (10, 2557932), (12, 2131610), (13, 1967640), (15, 1705288), (19, 1346280), (20, 1278966), (24, 1065805), (26, 983820), (30, 852644), (38, 673140), (39, 655880), (40, 639483), (52, 491910), (57, 448760), (60, 426322), (65, 393528), (76, 336570), (78, 327940), (95, 269256), (104, 245955), (114, 224380), (120, 213161), (130, 196764), (152, 168285), (156, 163970), (190, 134628), (195, 131176), (228, 112190), (247, 103560), (260, 98382), (285, 89752), (312, 81985), (380, 67314), (390, 65588), (456, 56095), (494, 51780), (520, 49191), (570, 44876), (741, 34520), (760, 33657), (780, 32794), (863, 29640), (988, 25890), (1140, 22438), (1235, 20712), (1482, 17260), (1560, 16397), (1726, 14820), (1976, 12945), (2280, 11219), (2470, 10356), (2589, 9880), (2964, 8630), (3452, 7410), (3705, 6904), (4315, 5928), (4940, 5178)]