65402540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 165110400

約数和(自身を除く): 99707860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 89, 116, 140, 145, 178, 181, 203, 290, 356, 362, 406, 445, 580, 623, 724, 812, 890, 905, 1015, 1246, 1267, 1780, 1810, 2030, 2492, 2534, 2581, 3115, 3620, 4060, 5068, 5162, 5249, 6230, 6335, 10324, 10498, 12460, 12670, 12905, 16109, 18067, 20996, 25340, 25810, 26245, 32218, 36134, 36743, 51620, 52490, 64436, 72268, 73486, 80545, 90335, 104980, 112763, 146972, 161090, 180670, 183715, 225526, 322180, 361340, 367430, 451052, 467161, 563815, 734860, 934322, 1127630, 1868644, 2255260, 2335805, 3270127, 4671610, 6540254, 9343220, 13080508, 16350635, 32701270, 65402540]

約数ペア:

[(1, 65402540), (2, 32701270), (4, 16350635), (5, 13080508), (7, 9343220), (10, 6540254), (14, 4671610), (20, 3270127), (28, 2335805), (29, 2255260), (35, 1868644), (58, 1127630), (70, 934322), (89, 734860), (116, 563815), (140, 467161), (145, 451052), (178, 367430), (181, 361340), (203, 322180), (290, 225526), (356, 183715), (362, 180670), (406, 161090), (445, 146972), (580, 112763), (623, 104980), (724, 90335), (812, 80545), (890, 73486), (905, 72268), (1015, 64436), (1246, 52490), (1267, 51620), (1780, 36743), (1810, 36134), (2030, 32218), (2492, 26245), (2534, 25810), (2581, 25340), (3115, 20996), (3620, 18067), (4060, 16109), (5068, 12905), (5162, 12670), (5249, 12460), (6230, 10498), (6335, 10324)]