98649440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19889}}^1$

素因数の和:19935

約数の個数: 48

約数和(自身を含む): 240589440

約数和(自身を除く): 141940000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 19889, 39778, 79556, 99445, 159112, 198890, 318224, 397780, 616559, 636448, 795560, 1233118, 1591120, 2466236, 3082795, 3182240, 4932472, 6165590, 9864944, 12331180, 19729888, 24662360, 49324720, 98649440]

約数ペア:

[(1, 98649440), (2, 49324720), (4, 24662360), (5, 19729888), (8, 12331180), (10, 9864944), (16, 6165590), (20, 4932472), (31, 3182240), (32, 3082795), (40, 2466236), (62, 1591120), (80, 1233118), (124, 795560), (155, 636448), (160, 616559), (248, 397780), (310, 318224), (496, 198890), (620, 159112), (992, 99445), (1240, 79556), (2480, 39778), (4960, 19889)]