27141880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 38176520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 503, 568, 710, 760, 1006, 1349, 1420, 2012, 2515, 2698, 2840, 4024, 5030, 5396, 6745, 9557, 10060, 10792, 13490, 19114, 20120, 26980, 35713, 38228, 47785, 53960, 71426, 76456, 95570, 142852, 178565, 191140, 285704, 357130, 382280, 678547, 714260, 1357094, 1428520, 2714188, 3392735, 5428376, 6785470, 13570940, 27141880]

約数ペア:

[(1, 27141880), (2, 13570940), (4, 6785470), (5, 5428376), (8, 3392735), (10, 2714188), (19, 1428520), (20, 1357094), (38, 714260), (40, 678547), (71, 382280), (76, 357130), (95, 285704), (142, 191140), (152, 178565), (190, 142852), (284, 95570), (355, 76456), (380, 71426), (503, 53960), (568, 47785), (710, 38228), (760, 35713), (1006, 26980), (1349, 20120), (1420, 19114), (2012, 13490), (2515, 10792), (2698, 10060), (2840, 9557), (4024, 6745), (5030, 5396)]