79966640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4523}}^1$

素因数の和:4566

約数の個数: 80

約数和(自身を含む): 212048928

約数和(自身を除く): 132082288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 4523, 8840, 9046, 17680, 18092, 22615, 36184, 45230, 58799, 72368, 76891, 90460, 117598, 153782, 180920, 235196, 293995, 307564, 361840, 384455, 470392, 587990, 615128, 768910, 940784, 999583, 1175980, 1230256, 1537820, 1999166, 2351960, 3075640, 3998332, 4703920, 4997915, 6151280, 7996664, 9995830, 15993328, 19991660, 39983320, 79966640]

約数ペア:

[(1, 79966640), (2, 39983320), (4, 19991660), (5, 15993328), (8, 9995830), (10, 7996664), (13, 6151280), (16, 4997915), (17, 4703920), (20, 3998332), (26, 3075640), (34, 2351960), (40, 1999166), (52, 1537820), (65, 1230256), (68, 1175980), (80, 999583), (85, 940784), (104, 768910), (130, 615128), (136, 587990), (170, 470392), (208, 384455), (221, 361840), (260, 307564), (272, 293995), (340, 235196), (442, 180920), (520, 153782), (680, 117598), (884, 90460), (1040, 76891), (1105, 72368), (1360, 58799), (1768, 45230), (2210, 36184), (3536, 22615), (4420, 18092), (4523, 17680), (8840, 9046)]