65431250

素因数分解:

$2^1\times 5^5\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:94

約数の個数: 72

約数和(自身を含む): 133936740

約数和(自身を除く): 68505490

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 125, 145, 190, 250, 290, 361, 475, 551, 625, 722, 725, 950, 1102, 1250, 1450, 1805, 2375, 2755, 3125, 3610, 3625, 4750, 5510, 6250, 7250, 9025, 10469, 11875, 13775, 18050, 18125, 20938, 23750, 27550, 36250, 45125, 52345, 59375, 68875, 90250, 90625, 104690, 118750, 137750, 181250, 225625, 261725, 344375, 451250, 523450, 688750, 1128125, 1308625, 1721875, 2256250, 2617250, 3443750, 6543125, 13086250, 32715625, 65431250]

約数ペア:

[(1, 65431250), (2, 32715625), (5, 13086250), (10, 6543125), (19, 3443750), (25, 2617250), (29, 2256250), (38, 1721875), (50, 1308625), (58, 1128125), (95, 688750), (125, 523450), (145, 451250), (190, 344375), (250, 261725), (290, 225625), (361, 181250), (475, 137750), (551, 118750), (625, 104690), (722, 90625), (725, 90250), (950, 68875), (1102, 59375), (1250, 52345), (1450, 45125), (1805, 36250), (2375, 27550), (2755, 23750), (3125, 20938), (3610, 18125), (3625, 18050), (4750, 13775), (5510, 11875), (6250, 10469), (7250, 9025)]