80428907980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1\times {\mathrm{7079}}^1$

素因数の和:8167

約数の個数: 96

約数和(自身を含む): 184125312000

約数和(自身を除く): 103696404020

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1031, 1102, 2062, 2204, 2755, 4124, 5155, 5510, 7079, 10310, 11020, 14158, 19589, 20620, 28316, 29899, 35395, 39178, 59798, 70790, 78356, 97945, 119596, 134501, 141580, 149495, 195890, 205291, 269002, 298990, 391780, 410582, 538004, 568081, 597980, 672505, 821164, 1026455, 1136162, 1345010, 2052910, 2272324, 2690020, 2840405, 3900529, 4105820, 5680810, 7298449, 7801058, 11361620, 14596898, 15602116, 19502645, 29193796, 36492245, 39005290, 72984490, 78010580, 138670531, 145968980, 211655021, 277341062, 423310042, 554682124, 693352655, 846620084, 1058275105, 1386705310, 2116550210, 2773410620, 4021445399, 4233100420, 8042890798, 16085781596, 20107226995, 40214453990, 80428907980]

約数ペア:

[(1, 80428907980), (2, 40214453990), (4, 20107226995), (5, 16085781596), (10, 8042890798), (19, 4233100420), (20, 4021445399), (29, 2773410620), (38, 2116550210), (58, 1386705310), (76, 1058275105), (95, 846620084), (116, 693352655), (145, 554682124), (190, 423310042), (290, 277341062), (380, 211655021), (551, 145968980), (580, 138670531), (1031, 78010580), (1102, 72984490), (2062, 39005290), (2204, 36492245), (2755, 29193796), (4124, 19502645), (5155, 15602116), (5510, 14596898), (7079, 11361620), (10310, 7801058), (11020, 7298449), (14158, 5680810), (19589, 4105820), (20620, 3900529), (28316, 2840405), (29899, 2690020), (35395, 2272324), (39178, 2052910), (59798, 1345010), (70790, 1136162), (78356, 1026455), (97945, 821164), (119596, 672505), (134501, 597980), (141580, 568081), (149495, 538004), (195890, 410582), (205291, 391780), (269002, 298990)]