3920787650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{9323}}^1$

素因数の和:9995

約数の個数: 48

約数和(自身を含む): 7866621504

約数和(自身を除く): 3945833854

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 647, 650, 1294, 3235, 6470, 8411, 9323, 16175, 16822, 18646, 32350, 42055, 46615, 84110, 93230, 121199, 210275, 233075, 242398, 420550, 466150, 605995, 1211990, 3029975, 6031981, 6059950, 12063962, 30159905, 60319810, 78415753, 150799525, 156831506, 301599050, 392078765, 784157530, 1960393825, 3920787650]

約数ペア:

[(1, 3920787650), (2, 1960393825), (5, 784157530), (10, 392078765), (13, 301599050), (25, 156831506), (26, 150799525), (50, 78415753), (65, 60319810), (130, 30159905), (325, 12063962), (647, 6059950), (650, 6031981), (1294, 3029975), (3235, 1211990), (6470, 605995), (8411, 466150), (9323, 420550), (16175, 242398), (16822, 233075), (18646, 210275), (32350, 121199), (42055, 93230), (46615, 84110)]