2007788120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{7411}}^1$

素因数の和:7956

約数の個数: 64

約数和(自身を含む): 4875020640

約数和(自身を除く): 2867232520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 521, 1042, 2084, 2605, 4168, 5210, 6773, 7411, 10420, 13546, 14822, 20840, 27092, 29644, 33865, 37055, 54184, 59288, 67730, 74110, 96343, 135460, 148220, 192686, 270920, 296440, 385372, 481715, 770744, 963430, 1926860, 3853720, 3861131, 7722262, 15444524, 19305655, 30889048, 38611310, 50194703, 77222620, 100389406, 154445240, 200778812, 250973515, 401557624, 501947030, 1003894060, 2007788120]

約数ペア:

[(1, 2007788120), (2, 1003894060), (4, 501947030), (5, 401557624), (8, 250973515), (10, 200778812), (13, 154445240), (20, 100389406), (26, 77222620), (40, 50194703), (52, 38611310), (65, 30889048), (104, 19305655), (130, 15444524), (260, 7722262), (520, 3861131), (521, 3853720), (1042, 1926860), (2084, 963430), (2605, 770744), (4168, 481715), (5210, 385372), (6773, 296440), (7411, 270920), (10420, 192686), (13546, 148220), (14822, 135460), (20840, 96343), (27092, 74110), (29644, 67730), (33865, 59288), (37055, 54184)]