16090240

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 39755520

約数和(自身を除く): 23665280

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, 811, 992, 1240, 1622, 1984, 2480, 3244, 3968, 4055, 4960, 6488, 8110, 9920, 12976, 16220, 19840, 25141, 25952, 32440, 50282, 51904, 64880, 100564, 103808, 125705, 129760, 201128, 251410, 259520, 402256, 502820, 519040, 804512, 1005640, 1609024, 2011280, 3218048, 4022560, 8045120, 16090240]

約数ペア:

[(1, 16090240), (2, 8045120), (4, 4022560), (5, 3218048), (8, 2011280), (10, 1609024), (16, 1005640), (20, 804512), (31, 519040), (32, 502820), (40, 402256), (62, 259520), (64, 251410), (80, 201128), (124, 129760), (128, 125705), (155, 103808), (160, 100564), (248, 64880), (310, 51904), (320, 50282), (496, 32440), (620, 25952), (640, 25141), (811, 19840), (992, 16220), (1240, 12976), (1622, 9920), (1984, 8110), (2480, 6488), (3244, 4960), (3968, 4055)]