42969680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 109159680

約数和(自身を除く): 66190000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 523, 632, 790, 1027, 1040, 1046, 1264, 1580, 2054, 2092, 2615, 3160, 4108, 4184, 5135, 5230, 6320, 6799, 8216, 8368, 10270, 10460, 13598, 16432, 20540, 20920, 27196, 33995, 41080, 41317, 41840, 54392, 67990, 82160, 82634, 108784, 135980, 165268, 206585, 271960, 330536, 413170, 537121, 543920, 661072, 826340, 1074242, 1652680, 2148484, 2685605, 3305360, 4296968, 5371210, 8593936, 10742420, 21484840, 42969680]

約数ペア:

[(1, 42969680), (2, 21484840), (4, 10742420), (5, 8593936), (8, 5371210), (10, 4296968), (13, 3305360), (16, 2685605), (20, 2148484), (26, 1652680), (40, 1074242), (52, 826340), (65, 661072), (79, 543920), (80, 537121), (104, 413170), (130, 330536), (158, 271960), (208, 206585), (260, 165268), (316, 135980), (395, 108784), (520, 82634), (523, 82160), (632, 67990), (790, 54392), (1027, 41840), (1040, 41317), (1046, 41080), (1264, 33995), (1580, 27196), (2054, 20920), (2092, 20540), (2615, 16432), (3160, 13598), (4108, 10460), (4184, 10270), (5135, 8368), (5230, 8216), (6320, 6799)]