205657489960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22091}}^1\times {\mathrm{17903}}^1$

素因数の和:40018

約数の個数: 64

約数和(自身を含む): 498374311680

約数和(自身を除く): 292716821720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 17903, 22091, 35806, 44182, 71612, 88364, 89515, 110455, 143224, 176728, 179030, 220910, 232739, 287183, 358060, 441820, 465478, 574366, 716120, 883640, 930956, 1148732, 1163695, 1435915, 1861912, 2297464, 2327390, 2871830, 4654780, 5743660, 9309560, 11487320, 395495173, 790990346, 1581980692, 1977475865, 3163961384, 3954951730, 5141437249, 7909903460, 10282874498, 15819806920, 20565748996, 25707186245, 41131497992, 51414372490, 102828744980, 205657489960]

約数ペア:

[(1, 205657489960), (2, 102828744980), (4, 51414372490), (5, 41131497992), (8, 25707186245), (10, 20565748996), (13, 15819806920), (20, 10282874498), (26, 7909903460), (40, 5141437249), (52, 3954951730), (65, 3163961384), (104, 1977475865), (130, 1581980692), (260, 790990346), (520, 395495173), (17903, 11487320), (22091, 9309560), (35806, 5743660), (44182, 4654780), (71612, 2871830), (88364, 2327390), (89515, 2297464), (110455, 1861912), (143224, 1435915), (176728, 1163695), (179030, 1148732), (220910, 930956), (232739, 883640), (287183, 716120), (358060, 574366), (441820, 465478)]