89215520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17987}}^1$

素因数の和:18033

約数の個数: 48

約数和(自身を含む): 217582848

約数和(自身を除く): 128367328

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, 17987, 35974, 71948, 89935, 143896, 179870, 287792, 359740, 557597, 575584, 719480, 1115194, 1438960, 2230388, 2787985, 2877920, 4460776, 5575970, 8921552, 11151940, 17843104, 22303880, 44607760, 89215520]

約数ペア:

[(1, 89215520), (2, 44607760), (4, 22303880), (5, 17843104), (8, 11151940), (10, 8921552), (16, 5575970), (20, 4460776), (31, 2877920), (32, 2787985), (40, 2230388), (62, 1438960), (80, 1115194), (124, 719480), (155, 575584), (160, 557597), (248, 359740), (310, 287792), (496, 179870), (620, 143896), (992, 89935), (1240, 71948), (2480, 35974), (4960, 17987)]