56889820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 139116096

約数和(自身を除く): 82226276

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 61, 65, 68, 85, 122, 130, 170, 211, 221, 244, 260, 305, 340, 422, 442, 610, 793, 844, 884, 1037, 1055, 1105, 1220, 1586, 2074, 2110, 2210, 2743, 3172, 3587, 3965, 4148, 4220, 4420, 5185, 5486, 7174, 7930, 10370, 10972, 12871, 13481, 13715, 14348, 15860, 17935, 20740, 25742, 26962, 27430, 35870, 46631, 51484, 53924, 54860, 64355, 67405, 71740, 93262, 128710, 134810, 167323, 186524, 218807, 233155, 257420, 269620, 334646, 437614, 466310, 669292, 836615, 875228, 932620, 1094035, 1673230, 2188070, 2844491, 3346460, 4376140, 5688982, 11377964, 14222455, 28444910, 56889820]

約数ペア:

[(1, 56889820), (2, 28444910), (4, 14222455), (5, 11377964), (10, 5688982), (13, 4376140), (17, 3346460), (20, 2844491), (26, 2188070), (34, 1673230), (52, 1094035), (61, 932620), (65, 875228), (68, 836615), (85, 669292), (122, 466310), (130, 437614), (170, 334646), (211, 269620), (221, 257420), (244, 233155), (260, 218807), (305, 186524), (340, 167323), (422, 134810), (442, 128710), (610, 93262), (793, 71740), (844, 67405), (884, 64355), (1037, 54860), (1055, 53924), (1105, 51484), (1220, 46631), (1586, 35870), (2074, 27430), (2110, 26962), (2210, 25742), (2743, 20740), (3172, 17935), (3587, 15860), (3965, 14348), (4148, 13715), (4220, 13481), (4420, 12871), (5185, 10972), (5486, 10370), (7174, 7930)]