2018954320

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{1217}}^1$

素因数の和:1552

約数の個数: 80

約数和(自身を含む): 4771100880

約数和(自身を除く): 2752146560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 233, 356, 445, 466, 712, 890, 932, 1165, 1217, 1424, 1780, 1864, 2330, 2434, 3560, 3728, 4660, 4868, 6085, 7120, 9320, 9736, 12170, 18640, 19472, 20737, 24340, 41474, 48680, 82948, 97360, 103685, 108313, 165896, 207370, 216626, 283561, 331792, 414740, 433252, 541565, 567122, 829480, 866504, 1083130, 1134244, 1417805, 1658960, 1733008, 2166260, 2268488, 2835610, 4332520, 4536976, 5671220, 8665040, 11342440, 22684880, 25236929, 50473858, 100947716, 126184645, 201895432, 252369290, 403790864, 504738580, 1009477160, 2018954320]

約数ペア:

[(1, 2018954320), (2, 1009477160), (4, 504738580), (5, 403790864), (8, 252369290), (10, 201895432), (16, 126184645), (20, 100947716), (40, 50473858), (80, 25236929), (89, 22684880), (178, 11342440), (233, 8665040), (356, 5671220), (445, 4536976), (466, 4332520), (712, 2835610), (890, 2268488), (932, 2166260), (1165, 1733008), (1217, 1658960), (1424, 1417805), (1780, 1134244), (1864, 1083130), (2330, 866504), (2434, 829480), (3560, 567122), (3728, 541565), (4660, 433252), (4868, 414740), (6085, 331792), (7120, 283561), (9320, 216626), (9736, 207370), (12170, 165896), (18640, 108313), (19472, 103685), (20737, 97360), (24340, 82948), (41474, 48680)]