12905620

素因数分解:

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

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 33985224

約数和(自身を除く): 21079604

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1013, 1274, 1820, 2026, 2548, 3185, 4052, 5065, 6370, 7091, 10130, 12740, 13169, 14182, 20260, 26338, 28364, 35455, 49637, 52676, 65845, 70910, 92183, 99274, 131690, 141820, 184366, 198548, 248185, 263380, 368732, 460915, 496370, 645281, 921830, 992740, 1290562, 1843660, 2581124, 3226405, 6452810, 12905620]

約数ペア:

[(1, 12905620), (2, 6452810), (4, 3226405), (5, 2581124), (7, 1843660), (10, 1290562), (13, 992740), (14, 921830), (20, 645281), (26, 496370), (28, 460915), (35, 368732), (49, 263380), (52, 248185), (65, 198548), (70, 184366), (91, 141820), (98, 131690), (130, 99274), (140, 92183), (182, 70910), (196, 65845), (245, 52676), (260, 49637), (364, 35455), (455, 28364), (490, 26338), (637, 20260), (910, 14182), (980, 13169), (1013, 12740), (1274, 10130), (1820, 7091), (2026, 6370), (2548, 5065), (3185, 4052)]