649452050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1217}}^1$

素因数の和:2063

約数の個数: 48

約数和(自身を含む): 1303557192

約数和(自身を除く): 654105142

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 821, 1217, 1642, 2434, 4105, 6085, 8210, 10673, 12170, 15821, 20525, 21346, 30425, 31642, 41050, 53365, 60850, 79105, 106730, 158210, 266825, 395525, 533650, 791050, 999157, 1998314, 4995785, 9991570, 12989041, 24978925, 25978082, 49957850, 64945205, 129890410, 324726025, 649452050]

約数ペア:

[(1, 649452050), (2, 324726025), (5, 129890410), (10, 64945205), (13, 49957850), (25, 25978082), (26, 24978925), (50, 12989041), (65, 9991570), (130, 4995785), (325, 1998314), (650, 999157), (821, 791050), (1217, 533650), (1642, 395525), (2434, 266825), (4105, 158210), (6085, 106730), (8210, 79105), (10673, 60850), (12170, 53365), (15821, 41050), (20525, 31642), (21346, 30425)]