99860720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:858

約数の個数: 80

約数和(自身を含む): 248609088

約数和(自身を除く): 148748368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 170, 202, 272, 340, 404, 505, 680, 727, 808, 1010, 1360, 1454, 1616, 1717, 2020, 2908, 3434, 3635, 4040, 5816, 6868, 7270, 8080, 8585, 11632, 12359, 13736, 14540, 17170, 24718, 27472, 29080, 34340, 49436, 58160, 61795, 68680, 73427, 98872, 123590, 137360, 146854, 197744, 247180, 293708, 367135, 494360, 587416, 734270, 988720, 1174832, 1248259, 1468540, 2496518, 2937080, 4993036, 5874160, 6241295, 9986072, 12482590, 19972144, 24965180, 49930360, 99860720]

約数ペア:

[(1, 99860720), (2, 49930360), (4, 24965180), (5, 19972144), (8, 12482590), (10, 9986072), (16, 6241295), (17, 5874160), (20, 4993036), (34, 2937080), (40, 2496518), (68, 1468540), (80, 1248259), (85, 1174832), (101, 988720), (136, 734270), (170, 587416), (202, 494360), (272, 367135), (340, 293708), (404, 247180), (505, 197744), (680, 146854), (727, 137360), (808, 123590), (1010, 98872), (1360, 73427), (1454, 68680), (1616, 61795), (1717, 58160), (2020, 49436), (2908, 34340), (3434, 29080), (3635, 27472), (4040, 24718), (5816, 17170), (6868, 14540), (7270, 13736), (8080, 12359), (8585, 11632)]