40678520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13931}}^1$

素因数の和:14015

約数の個数: 32

約数和(自身を含む): 92787120

約数和(自身を除く): 52108600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 13931, 27862, 55724, 69655, 111448, 139310, 278620, 557240, 1016963, 2033926, 4067852, 5084815, 8135704, 10169630, 20339260, 40678520]

約数ペア:

[(1, 40678520), (2, 20339260), (4, 10169630), (5, 8135704), (8, 5084815), (10, 4067852), (20, 2033926), (40, 1016963), (73, 557240), (146, 278620), (292, 139310), (365, 111448), (584, 69655), (730, 55724), (1460, 27862), (2920, 13931)]