42639740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:927

約数の個数: 96

約数和(自身を含む): 111513024

約数和(自身を除く): 68873284

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 143, 170, 187, 220, 221, 260, 286, 340, 374, 442, 572, 715, 748, 877, 884, 935, 1105, 1430, 1754, 1870, 2210, 2431, 2860, 3508, 3740, 4385, 4420, 4862, 8770, 9647, 9724, 11401, 12155, 14909, 17540, 19294, 22802, 24310, 29818, 38588, 45604, 48235, 48620, 57005, 59636, 74545, 96470, 114010, 125411, 149090, 163999, 192940, 193817, 228020, 250822, 298180, 327998, 387634, 501644, 627055, 655996, 775268, 819995, 969085, 1254110, 1639990, 1938170, 2131987, 2508220, 3279980, 3876340, 4263974, 8527948, 10659935, 21319870, 42639740]

約数ペア:

[(1, 42639740), (2, 21319870), (4, 10659935), (5, 8527948), (10, 4263974), (11, 3876340), (13, 3279980), (17, 2508220), (20, 2131987), (22, 1938170), (26, 1639990), (34, 1254110), (44, 969085), (52, 819995), (55, 775268), (65, 655996), (68, 627055), (85, 501644), (110, 387634), (130, 327998), (143, 298180), (170, 250822), (187, 228020), (220, 193817), (221, 192940), (260, 163999), (286, 149090), (340, 125411), (374, 114010), (442, 96470), (572, 74545), (715, 59636), (748, 57005), (877, 48620), (884, 48235), (935, 45604), (1105, 38588), (1430, 29818), (1754, 24310), (1870, 22802), (2210, 19294), (2431, 17540), (2860, 14909), (3508, 12155), (3740, 11401), (4385, 9724), (4420, 9647), (4862, 8770)]