387693440

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19541}}^1$

素因数の和:19591

約数の個数: 64

約数和(自身を含む): 956776320

約数和(自身を除く): 569082880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19541, 19840, 39082, 78164, 97705, 156328, 195410, 312656, 390820, 605771, 625312, 781640, 1211542, 1250624, 1563280, 2423084, 2501248, 3028855, 3126560, 4846168, 6057710, 6253120, 9692336, 12115420, 12506240, 19384672, 24230840, 38769344, 48461680, 77538688, 96923360, 193846720, 387693440]

約数ペア:

[(1, 387693440), (2, 193846720), (4, 96923360), (5, 77538688), (8, 48461680), (10, 38769344), (16, 24230840), (20, 19384672), (31, 12506240), (32, 12115420), (40, 9692336), (62, 6253120), (64, 6057710), (80, 4846168), (124, 3126560), (128, 3028855), (155, 2501248), (160, 2423084), (248, 1563280), (310, 1250624), (320, 1211542), (496, 781640), (620, 625312), (640, 605771), (992, 390820), (1240, 312656), (1984, 195410), (2480, 156328), (3968, 97705), (4960, 78164), (9920, 39082), (19541, 19840)]