172380650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1627}}^1$

素因数の和:1815

約数の個数: 48

約数和(自身を含む): 347623584

約数和(自身を除く): 175242934

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 163, 325, 326, 650, 815, 1627, 1630, 2119, 3254, 4075, 4238, 8135, 8150, 10595, 16270, 21151, 21190, 40675, 42302, 52975, 81350, 105755, 105950, 211510, 265201, 528775, 530402, 1057550, 1326005, 2652010, 3447613, 6630025, 6895226, 13260050, 17238065, 34476130, 86190325, 172380650]

約数ペア:

[(1, 172380650), (2, 86190325), (5, 34476130), (10, 17238065), (13, 13260050), (25, 6895226), (26, 6630025), (50, 3447613), (65, 2652010), (130, 1326005), (163, 1057550), (325, 530402), (326, 528775), (650, 265201), (815, 211510), (1627, 105950), (1630, 105755), (2119, 81350), (3254, 52975), (4075, 42302), (4238, 40675), (8135, 21190), (8150, 21151), (10595, 16270)]