16407560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 40219200

約数和(自身を除く): 23811640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 227, 260, 278, 454, 520, 556, 695, 908, 1112, 1135, 1390, 1807, 1816, 2270, 2780, 2951, 3614, 4540, 5560, 5902, 7228, 9035, 9080, 11804, 14456, 14755, 18070, 23608, 29510, 31553, 36140, 59020, 63106, 72280, 118040, 126212, 157765, 252424, 315530, 410189, 631060, 820378, 1262120, 1640756, 2050945, 3281512, 4101890, 8203780, 16407560]

約数ペア:

[(1, 16407560), (2, 8203780), (4, 4101890), (5, 3281512), (8, 2050945), (10, 1640756), (13, 1262120), (20, 820378), (26, 631060), (40, 410189), (52, 315530), (65, 252424), (104, 157765), (130, 126212), (139, 118040), (227, 72280), (260, 63106), (278, 59020), (454, 36140), (520, 31553), (556, 29510), (695, 23608), (908, 18070), (1112, 14755), (1135, 14456), (1390, 11804), (1807, 9080), (1816, 9035), (2270, 7228), (2780, 5902), (2951, 5560), (3614, 4540)]