25421620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{503}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 64520064

約数和(自身を除く): 39098444

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 503, 532, 665, 722, 1006, 1330, 1444, 1805, 2012, 2515, 2527, 2660, 3521, 3610, 5030, 5054, 7042, 7220, 9557, 10060, 10108, 12635, 14084, 17605, 19114, 25270, 35210, 38228, 47785, 50540, 66899, 70420, 95570, 133798, 181583, 191140, 267596, 334495, 363166, 668990, 726332, 907915, 1271081, 1337980, 1815830, 2542162, 3631660, 5084324, 6355405, 12710810, 25421620]

約数ペア:

[(1, 25421620), (2, 12710810), (4, 6355405), (5, 5084324), (7, 3631660), (10, 2542162), (14, 1815830), (19, 1337980), (20, 1271081), (28, 907915), (35, 726332), (38, 668990), (70, 363166), (76, 334495), (95, 267596), (133, 191140), (140, 181583), (190, 133798), (266, 95570), (361, 70420), (380, 66899), (503, 50540), (532, 47785), (665, 38228), (722, 35210), (1006, 25270), (1330, 19114), (1444, 17605), (1805, 14084), (2012, 12635), (2515, 10108), (2527, 10060), (2660, 9557), (3521, 7220), (3610, 7042), (5030, 5054)]