19691200

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 84

約数和(自身を含む): 50141632

約数和(自身を除く): 30450432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 397, 400, 496, 620, 775, 794, 800, 992, 1240, 1550, 1588, 1600, 1984, 1985, 2480, 3100, 3176, 3970, 4960, 6200, 6352, 7940, 9920, 9925, 12307, 12400, 12704, 15880, 19850, 24614, 24800, 25408, 31760, 39700, 49228, 49600, 61535, 63520, 79400, 98456, 123070, 127040, 158800, 196912, 246140, 307675, 317600, 393824, 492280, 615350, 635200, 787648, 984560, 1230700, 1969120, 2461400, 3938240, 4922800, 9845600, 19691200]

約数ペア:

[(1, 19691200), (2, 9845600), (4, 4922800), (5, 3938240), (8, 2461400), (10, 1969120), (16, 1230700), (20, 984560), (25, 787648), (31, 635200), (32, 615350), (40, 492280), (50, 393824), (62, 317600), (64, 307675), (80, 246140), (100, 196912), (124, 158800), (155, 127040), (160, 123070), (200, 98456), (248, 79400), (310, 63520), (320, 61535), (397, 49600), (400, 49228), (496, 39700), (620, 31760), (775, 25408), (794, 24800), (800, 24614), (992, 19850), (1240, 15880), (1550, 12704), (1588, 12400), (1600, 12307), (1984, 9925), (1985, 9920), (2480, 7940), (3100, 6352), (3176, 6200), (3970, 4960)]