25811240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1013}}^1$

素因数の和:1051

約数の個数: 96

約数和(自身を含む): 72825480

約数和(自身を除く): 47014240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1013, 1274, 1820, 1960, 2026, 2548, 3185, 3640, 4052, 5065, 5096, 6370, 7091, 8104, 10130, 12740, 13169, 14182, 20260, 25480, 26338, 28364, 35455, 40520, 49637, 52676, 56728, 65845, 70910, 92183, 99274, 105352, 131690, 141820, 184366, 198548, 248185, 263380, 283640, 368732, 397096, 460915, 496370, 526760, 645281, 737464, 921830, 992740, 1290562, 1843660, 1985480, 2581124, 3226405, 3687320, 5162248, 6452810, 12905620, 25811240]

約数ペア:

[(1, 25811240), (2, 12905620), (4, 6452810), (5, 5162248), (7, 3687320), (8, 3226405), (10, 2581124), (13, 1985480), (14, 1843660), (20, 1290562), (26, 992740), (28, 921830), (35, 737464), (40, 645281), (49, 526760), (52, 496370), (56, 460915), (65, 397096), (70, 368732), (91, 283640), (98, 263380), (104, 248185), (130, 198548), (140, 184366), (182, 141820), (196, 131690), (245, 105352), (260, 99274), (280, 92183), (364, 70910), (392, 65845), (455, 56728), (490, 52676), (520, 49637), (637, 40520), (728, 35455), (910, 28364), (980, 26338), (1013, 25480), (1274, 20260), (1820, 14182), (1960, 13169), (2026, 12740), (2548, 10130), (3185, 8104), (3640, 7091), (4052, 6370), (5065, 5096)]