65503750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 137768400

約数和(自身を除く): 72264650

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 125, 130, 139, 145, 250, 278, 290, 325, 377, 625, 650, 695, 725, 754, 1250, 1390, 1450, 1625, 1807, 1885, 3250, 3475, 3614, 3625, 3770, 4031, 6950, 7250, 8062, 8125, 9035, 9425, 16250, 17375, 18070, 18125, 18850, 20155, 34750, 36250, 40310, 45175, 47125, 52403, 86875, 90350, 94250, 100775, 104806, 173750, 201550, 225875, 235625, 262015, 451750, 471250, 503875, 524030, 1007750, 1129375, 1310075, 2258750, 2519375, 2620150, 5038750, 6550375, 13100750, 32751875, 65503750]

約数ペア:

[(1, 65503750), (2, 32751875), (5, 13100750), (10, 6550375), (13, 5038750), (25, 2620150), (26, 2519375), (29, 2258750), (50, 1310075), (58, 1129375), (65, 1007750), (125, 524030), (130, 503875), (139, 471250), (145, 451750), (250, 262015), (278, 235625), (290, 225875), (325, 201550), (377, 173750), (625, 104806), (650, 100775), (695, 94250), (725, 90350), (754, 86875), (1250, 52403), (1390, 47125), (1450, 45175), (1625, 40310), (1807, 36250), (1885, 34750), (3250, 20155), (3475, 18850), (3614, 18125), (3625, 18070), (3770, 17375), (4031, 16250), (6950, 9425), (7250, 9035), (8062, 8125)]