40378832

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 60

約数和(自身を含む): 86116140

約数和(自身を除く): 45737308

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 137, 169, 208, 218, 274, 338, 436, 548, 676, 872, 1096, 1352, 1417, 1744, 1781, 2192, 2704, 2834, 3562, 5668, 7124, 11336, 14248, 14933, 18421, 22672, 23153, 28496, 29866, 36842, 46306, 59732, 73684, 92612, 119464, 147368, 185224, 194129, 238928, 294736, 370448, 388258, 776516, 1553032, 2523677, 3106064, 5047354, 10094708, 20189416, 40378832]

約数ペア:

[(1, 40378832), (2, 20189416), (4, 10094708), (8, 5047354), (13, 3106064), (16, 2523677), (26, 1553032), (52, 776516), (104, 388258), (109, 370448), (137, 294736), (169, 238928), (208, 194129), (218, 185224), (274, 147368), (338, 119464), (436, 92612), (548, 73684), (676, 59732), (872, 46306), (1096, 36842), (1352, 29866), (1417, 28496), (1744, 23153), (1781, 22672), (2192, 18421), (2704, 14933), (2834, 14248), (3562, 11336), (5668, 7124)]