804977960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{3203}}^1$

素因数の和:3378

約数の個数: 64

約数和(自身を含む): 1859345280

約数和(自身を除く): 1054367320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 103, 122, 206, 244, 305, 412, 488, 515, 610, 824, 1030, 1220, 2060, 2440, 3203, 4120, 6283, 6406, 12566, 12812, 16015, 25132, 25624, 31415, 32030, 50264, 62830, 64060, 125660, 128120, 195383, 251320, 329909, 390766, 659818, 781532, 976915, 1319636, 1563064, 1649545, 1953830, 2639272, 3299090, 3907660, 6598180, 7815320, 13196360, 20124449, 40248898, 80497796, 100622245, 160995592, 201244490, 402488980, 804977960]

約数ペア:

[(1, 804977960), (2, 402488980), (4, 201244490), (5, 160995592), (8, 100622245), (10, 80497796), (20, 40248898), (40, 20124449), (61, 13196360), (103, 7815320), (122, 6598180), (206, 3907660), (244, 3299090), (305, 2639272), (412, 1953830), (488, 1649545), (515, 1563064), (610, 1319636), (824, 976915), (1030, 781532), (1220, 659818), (2060, 390766), (2440, 329909), (3203, 251320), (4120, 195383), (6283, 128120), (6406, 125660), (12566, 64060), (12812, 62830), (16015, 50264), (25132, 32030), (25624, 31415)]