18872800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:812

約数の個数: 72

約数和(自身を含む): 47621952

約数和(自身を除く): 28749152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 761, 775, 800, 992, 1240, 1522, 1550, 2480, 3044, 3100, 3805, 4960, 6088, 6200, 7610, 12176, 12400, 15220, 19025, 23591, 24352, 24800, 30440, 38050, 47182, 60880, 76100, 94364, 117955, 121760, 152200, 188728, 235910, 304400, 377456, 471820, 589775, 608800, 754912, 943640, 1179550, 1887280, 2359100, 3774560, 4718200, 9436400, 18872800]

約数ペア:

[(1, 18872800), (2, 9436400), (4, 4718200), (5, 3774560), (8, 2359100), (10, 1887280), (16, 1179550), (20, 943640), (25, 754912), (31, 608800), (32, 589775), (40, 471820), (50, 377456), (62, 304400), (80, 235910), (100, 188728), (124, 152200), (155, 121760), (160, 117955), (200, 94364), (248, 76100), (310, 60880), (400, 47182), (496, 38050), (620, 30440), (761, 24800), (775, 24352), (800, 23591), (992, 19025), (1240, 15220), (1522, 12400), (1550, 12176), (2480, 7610), (3044, 6200), (3100, 6088), (3805, 4960)]