130209920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6613

約数の個数: 64

約数和(自身を含む): 321373440

約数和(自身を除く): 191163520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 6563, 9920, 13126, 19840, 26252, 32815, 52504, 65630, 105008, 131260, 203453, 210016, 262520, 406906, 420032, 525040, 813812, 840064, 1017265, 1050080, 1627624, 2034530, 2100160, 3255248, 4069060, 4200320, 6510496, 8138120, 13020992, 16276240, 26041984, 32552480, 65104960, 130209920]

約数ペア:

[(1, 130209920), (2, 65104960), (4, 32552480), (5, 26041984), (8, 16276240), (10, 13020992), (16, 8138120), (20, 6510496), (31, 4200320), (32, 4069060), (40, 3255248), (62, 2100160), (64, 2034530), (80, 1627624), (124, 1050080), (128, 1017265), (155, 840064), (160, 813812), (248, 525040), (310, 420032), (320, 406906), (496, 262520), (620, 210016), (640, 203453), (992, 131260), (1240, 105008), (1984, 65630), (2480, 52504), (3968, 32815), (4960, 26252), (6563, 19840), (9920, 13126)]