260233220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:525

約数の個数: 96

約数和(自身を含む): 616412160

約数和(自身を除く): 356178940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 83, 124, 130, 155, 166, 260, 310, 332, 389, 403, 415, 620, 778, 806, 830, 1079, 1556, 1612, 1660, 1945, 2015, 2158, 2573, 3890, 4030, 4316, 5057, 5146, 5395, 7780, 8060, 10114, 10292, 10790, 12059, 12865, 20228, 21580, 24118, 25285, 25730, 32287, 33449, 48236, 50570, 51460, 60295, 64574, 66898, 101140, 120590, 129148, 133796, 156767, 161435, 167245, 241180, 313534, 322870, 334490, 419731, 627068, 645740, 668980, 783835, 839462, 1000897, 1567670, 1678924, 2001794, 2098655, 3135340, 4003588, 4197310, 5004485, 8394620, 10008970, 13011661, 20017940, 26023322, 52046644, 65058305, 130116610, 260233220]

約数ペア:

[(1, 260233220), (2, 130116610), (4, 65058305), (5, 52046644), (10, 26023322), (13, 20017940), (20, 13011661), (26, 10008970), (31, 8394620), (52, 5004485), (62, 4197310), (65, 4003588), (83, 3135340), (124, 2098655), (130, 2001794), (155, 1678924), (166, 1567670), (260, 1000897), (310, 839462), (332, 783835), (389, 668980), (403, 645740), (415, 627068), (620, 419731), (778, 334490), (806, 322870), (830, 313534), (1079, 241180), (1556, 167245), (1612, 161435), (1660, 156767), (1945, 133796), (2015, 129148), (2158, 120590), (2573, 101140), (3890, 66898), (4030, 64574), (4316, 60295), (5057, 51460), (5146, 50570), (5395, 48236), (7780, 33449), (8060, 32287), (10114, 25730), (10292, 25285), (10790, 24118), (12059, 21580), (12865, 20228)]