2007978400

素因数分解:

$2^5\times 5^2\times {\mathrm{331}}^1\times {\mathrm{7583}}^1$

素因数の和:7934

約数の個数: 72

約数和(自身を含む): 4917435264

約数和(自身を除く): 2909456864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 331, 400, 662, 800, 1324, 1655, 2648, 3310, 5296, 6620, 7583, 8275, 10592, 13240, 15166, 16550, 26480, 30332, 33100, 37915, 52960, 60664, 66200, 75830, 121328, 132400, 151660, 189575, 242656, 264800, 303320, 379150, 606640, 758300, 1213280, 1516600, 2509973, 3033200, 5019946, 6066400, 10039892, 12549865, 20079784, 25099730, 40159568, 50199460, 62749325, 80319136, 100398920, 125498650, 200797840, 250997300, 401595680, 501994600, 1003989200, 2007978400]

約数ペア:

[(1, 2007978400), (2, 1003989200), (4, 501994600), (5, 401595680), (8, 250997300), (10, 200797840), (16, 125498650), (20, 100398920), (25, 80319136), (32, 62749325), (40, 50199460), (50, 40159568), (80, 25099730), (100, 20079784), (160, 12549865), (200, 10039892), (331, 6066400), (400, 5019946), (662, 3033200), (800, 2509973), (1324, 1516600), (1655, 1213280), (2648, 758300), (3310, 606640), (5296, 379150), (6620, 303320), (7583, 264800), (8275, 242656), (10592, 189575), (13240, 151660), (15166, 132400), (16550, 121328), (26480, 75830), (30332, 66200), (33100, 60664), (37915, 52960)]