80715388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 166796784

約数和(自身を除く): 86081396

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 131, 164, 221, 262, 289, 442, 524, 533, 578, 697, 884, 1066, 1156, 1394, 1703, 2132, 2227, 2788, 3406, 3757, 4454, 5371, 6812, 7514, 8908, 9061, 10742, 11849, 15028, 18122, 21484, 23698, 28951, 36244, 37859, 47396, 57902, 69823, 75718, 91307, 115804, 139646, 151436, 154037, 182614, 279292, 308074, 365228, 492167, 616148, 984334, 1186991, 1552219, 1968668, 2373982, 3104438, 4747964, 6208876, 20178847, 40357694, 80715388]

約数ペア:

[(1, 80715388), (2, 40357694), (4, 20178847), (13, 6208876), (17, 4747964), (26, 3104438), (34, 2373982), (41, 1968668), (52, 1552219), (68, 1186991), (82, 984334), (131, 616148), (164, 492167), (221, 365228), (262, 308074), (289, 279292), (442, 182614), (524, 154037), (533, 151436), (578, 139646), (697, 115804), (884, 91307), (1066, 75718), (1156, 69823), (1394, 57902), (1703, 47396), (2132, 37859), (2227, 36244), (2788, 28951), (3406, 23698), (3757, 21484), (4454, 18122), (5371, 15028), (6812, 11849), (7514, 10742), (8908, 9061)]