25591120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 65138688

約数和(自身を除く): 39547568

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 607, 620, 680, 1054, 1214, 1240, 1360, 2108, 2428, 2480, 2635, 3035, 4216, 4856, 5270, 6070, 8432, 9712, 10319, 10540, 12140, 18817, 20638, 21080, 24280, 37634, 41276, 42160, 48560, 51595, 75268, 82552, 94085, 103190, 150536, 165104, 188170, 206380, 301072, 319889, 376340, 412760, 639778, 752680, 825520, 1279556, 1505360, 1599445, 2559112, 3198890, 5118224, 6397780, 12795560, 25591120]

約数ペア:

[(1, 25591120), (2, 12795560), (4, 6397780), (5, 5118224), (8, 3198890), (10, 2559112), (16, 1599445), (17, 1505360), (20, 1279556), (31, 825520), (34, 752680), (40, 639778), (62, 412760), (68, 376340), (80, 319889), (85, 301072), (124, 206380), (136, 188170), (155, 165104), (170, 150536), (248, 103190), (272, 94085), (310, 82552), (340, 75268), (496, 51595), (527, 48560), (607, 42160), (620, 41276), (680, 37634), (1054, 24280), (1214, 21080), (1240, 20638), (1360, 18817), (2108, 12140), (2428, 10540), (2480, 10319), (2635, 9712), (3035, 8432), (4216, 6070), (4856, 5270)]