55988140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 137168640

約数和(自身を除く): 81180500

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 53, 65, 68, 85, 106, 130, 170, 212, 221, 239, 260, 265, 340, 442, 478, 530, 689, 884, 901, 956, 1060, 1105, 1195, 1378, 1802, 2210, 2390, 2756, 3107, 3445, 3604, 4063, 4420, 4505, 4780, 6214, 6890, 8126, 9010, 11713, 12428, 12667, 13780, 15535, 16252, 18020, 20315, 23426, 25334, 31070, 40630, 46852, 50668, 52819, 58565, 62140, 63335, 81260, 105638, 117130, 126670, 164671, 211276, 215339, 234260, 253340, 264095, 329342, 430678, 528190, 658684, 823355, 861356, 1056380, 1076695, 1646710, 2153390, 2799407, 3293420, 4306780, 5598814, 11197628, 13997035, 27994070, 55988140]

約数ペア:

[(1, 55988140), (2, 27994070), (4, 13997035), (5, 11197628), (10, 5598814), (13, 4306780), (17, 3293420), (20, 2799407), (26, 2153390), (34, 1646710), (52, 1076695), (53, 1056380), (65, 861356), (68, 823355), (85, 658684), (106, 528190), (130, 430678), (170, 329342), (212, 264095), (221, 253340), (239, 234260), (260, 215339), (265, 211276), (340, 164671), (442, 126670), (478, 117130), (530, 105638), (689, 81260), (884, 63335), (901, 62140), (956, 58565), (1060, 52819), (1105, 50668), (1195, 46852), (1378, 40630), (1802, 31070), (2210, 25334), (2390, 23426), (2756, 20315), (3107, 18020), (3445, 16252), (3604, 15535), (4063, 13780), (4420, 12667), (4505, 12428), (4780, 11713), (6214, 9010), (6890, 8126)]