25072020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7331}}^1$

素因数の和:7365

約数の個数: 72

約数和(自身を含む): 80065440

約数和(自身を除く): 54993420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 7331, 14662, 21993, 29324, 36655, 43986, 65979, 73310, 87972, 109965, 131958, 139289, 146620, 219930, 263916, 278578, 329895, 417867, 439860, 557156, 659790, 696445, 835734, 1253601, 1319580, 1392890, 1671468, 2089335, 2507202, 2785780, 4178670, 5014404, 6268005, 8357340, 12536010, 25072020]

約数ペア:

[(1, 25072020), (2, 12536010), (3, 8357340), (4, 6268005), (5, 5014404), (6, 4178670), (9, 2785780), (10, 2507202), (12, 2089335), (15, 1671468), (18, 1392890), (19, 1319580), (20, 1253601), (30, 835734), (36, 696445), (38, 659790), (45, 557156), (57, 439860), (60, 417867), (76, 329895), (90, 278578), (95, 263916), (114, 219930), (171, 146620), (180, 139289), (190, 131958), (228, 109965), (285, 87972), (342, 73310), (380, 65979), (570, 43986), (684, 36655), (855, 29324), (1140, 21993), (1710, 14662), (3420, 7331)]