2013221560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{63629}}^1$

素因数の和:63760

約数の個数: 64

約数和(自身を含む): 5222750400

約数和(自身を除く): 3209528840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 1130, 1582, 2260, 3164, 3955, 4520, 6328, 7910, 15820, 31640, 63629, 127258, 254516, 318145, 445403, 509032, 636290, 890806, 1272580, 1781612, 2227015, 2545160, 3563224, 4454030, 7190077, 8908060, 14380154, 17816120, 28760308, 35950385, 50330539, 57520616, 71900770, 100661078, 143801540, 201322156, 251652695, 287603080, 402644312, 503305390, 1006610780, 2013221560]

約数ペア:

[(1, 2013221560), (2, 1006610780), (4, 503305390), (5, 402644312), (7, 287603080), (8, 251652695), (10, 201322156), (14, 143801540), (20, 100661078), (28, 71900770), (35, 57520616), (40, 50330539), (56, 35950385), (70, 28760308), (113, 17816120), (140, 14380154), (226, 8908060), (280, 7190077), (452, 4454030), (565, 3563224), (791, 2545160), (904, 2227015), (1130, 1781612), (1582, 1272580), (2260, 890806), (3164, 636290), (3955, 509032), (4520, 445403), (6328, 318145), (7910, 254516), (15820, 127258), (31640, 63629)]