25173680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{44953}}^1$

素因数の和:44973

約数の個数: 40

約数和(自身を含む): 66891552

約数和(自身を除く): 41717872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 44953, 89906, 179812, 224765, 314671, 359624, 449530, 629342, 719248, 899060, 1258684, 1573355, 1798120, 2517368, 3146710, 3596240, 5034736, 6293420, 12586840, 25173680]

約数ペア:

[(1, 25173680), (2, 12586840), (4, 6293420), (5, 5034736), (7, 3596240), (8, 3146710), (10, 2517368), (14, 1798120), (16, 1573355), (20, 1258684), (28, 899060), (35, 719248), (40, 629342), (56, 449530), (70, 359624), (80, 314671), (112, 224765), (140, 179812), (280, 89906), (560, 44953)]