65105300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:909

約数の個数: 72

約数和(自身を含む): 154828632

約数和(自身を除く): 89723332

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 610, 650, 793, 821, 1220, 1300, 1525, 1586, 1642, 3050, 3172, 3284, 3965, 4105, 6100, 7930, 8210, 10673, 15860, 16420, 19825, 20525, 21346, 39650, 41050, 42692, 50081, 53365, 79300, 82100, 100162, 106730, 200324, 213460, 250405, 266825, 500810, 533650, 651053, 1001620, 1067300, 1252025, 1302106, 2504050, 2604212, 3255265, 5008100, 6510530, 13021060, 16276325, 32552650, 65105300]

約数ペア:

[(1, 65105300), (2, 32552650), (4, 16276325), (5, 13021060), (10, 6510530), (13, 5008100), (20, 3255265), (25, 2604212), (26, 2504050), (50, 1302106), (52, 1252025), (61, 1067300), (65, 1001620), (100, 651053), (122, 533650), (130, 500810), (244, 266825), (260, 250405), (305, 213460), (325, 200324), (610, 106730), (650, 100162), (793, 82100), (821, 79300), (1220, 53365), (1300, 50081), (1525, 42692), (1586, 41050), (1642, 39650), (3050, 21346), (3172, 20525), (3284, 19825), (3965, 16420), (4105, 15860), (6100, 10673), (7930, 8210)]