29643640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 72626400

約数和(自身を除く): 42982760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 523, 545, 872, 1046, 1090, 1417, 2092, 2180, 2615, 2834, 4184, 4360, 5230, 5668, 6799, 7085, 10460, 11336, 13598, 14170, 20920, 27196, 28340, 33995, 54392, 56680, 57007, 67990, 114014, 135980, 228028, 271960, 285035, 456056, 570070, 741091, 1140140, 1482182, 2280280, 2964364, 3705455, 5928728, 7410910, 14821820, 29643640]

約数ペア:

[(1, 29643640), (2, 14821820), (4, 7410910), (5, 5928728), (8, 3705455), (10, 2964364), (13, 2280280), (20, 1482182), (26, 1140140), (40, 741091), (52, 570070), (65, 456056), (104, 285035), (109, 271960), (130, 228028), (218, 135980), (260, 114014), (436, 67990), (520, 57007), (523, 56680), (545, 54392), (872, 33995), (1046, 28340), (1090, 27196), (1417, 20920), (2092, 14170), (2180, 13598), (2615, 11336), (2834, 10460), (4184, 7085), (4360, 6799), (5230, 5668)]