61984780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21673}}^1$

素因数の和:21706

約数の個数: 48

約数和(自身を含む): 152931744

約数和(自身を除く): 90946964

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 21673, 43346, 86692, 108365, 216730, 238403, 281749, 433460, 476806, 563498, 953612, 1126996, 1192015, 1408745, 2384030, 2817490, 3099239, 4768060, 5634980, 6198478, 12396956, 15496195, 30992390, 61984780]

約数ペア:

[(1, 61984780), (2, 30992390), (4, 15496195), (5, 12396956), (10, 6198478), (11, 5634980), (13, 4768060), (20, 3099239), (22, 2817490), (26, 2384030), (44, 1408745), (52, 1192015), (55, 1126996), (65, 953612), (110, 563498), (130, 476806), (143, 433460), (220, 281749), (260, 238403), (286, 216730), (572, 108365), (715, 86692), (1430, 43346), (2860, 21673)]