12548891420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{2389}}^1$

素因数の和:2727

約数の個数: 96

約数和(自身を含む): 28837166400

約数和(自身を除く): 16288274980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 227, 260, 356, 445, 454, 890, 908, 1135, 1157, 1780, 2270, 2314, 2389, 2951, 4540, 4628, 4778, 5785, 5902, 9556, 11570, 11804, 11945, 14755, 20203, 23140, 23890, 29510, 31057, 40406, 47780, 59020, 62114, 80812, 101015, 124228, 155285, 202030, 212621, 262639, 310570, 404060, 425242, 525278, 542303, 621140, 850484, 1050556, 1063105, 1084606, 1313195, 2126210, 2169212, 2626390, 2711515, 2764073, 4252420, 5252780, 5423030, 5528146, 7049939, 10846060, 11056292, 13820365, 14099878, 27640730, 28199756, 35249695, 48264967, 55281460, 70499390, 96529934, 140998780, 193059868, 241324835, 482649670, 627444571, 965299340, 1254889142, 2509778284, 3137222855, 6274445710, 12548891420]

約数ペア:

[(1, 12548891420), (2, 6274445710), (4, 3137222855), (5, 2509778284), (10, 1254889142), (13, 965299340), (20, 627444571), (26, 482649670), (52, 241324835), (65, 193059868), (89, 140998780), (130, 96529934), (178, 70499390), (227, 55281460), (260, 48264967), (356, 35249695), (445, 28199756), (454, 27640730), (890, 14099878), (908, 13820365), (1135, 11056292), (1157, 10846060), (1780, 7049939), (2270, 5528146), (2314, 5423030), (2389, 5252780), (2951, 4252420), (4540, 2764073), (4628, 2711515), (4778, 2626390), (5785, 2169212), (5902, 2126210), (9556, 1313195), (11570, 1084606), (11804, 1063105), (11945, 1050556), (14755, 850484), (20203, 621140), (23140, 542303), (23890, 525278), (29510, 425242), (31057, 404060), (40406, 310570), (47780, 262639), (59020, 212621), (62114, 202030), (80812, 155285), (101015, 124228)]