38143640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1680

約数の個数: 64

約数和(自身を含む): 93312000

約数和(自身を除く): 55168360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 1619, 2356, 2945, 3238, 4712, 5890, 6476, 8095, 11780, 12952, 16190, 23560, 30761, 32380, 50189, 61522, 64760, 100378, 123044, 153805, 200756, 246088, 250945, 307610, 401512, 501890, 615220, 953591, 1003780, 1230440, 1907182, 2007560, 3814364, 4767955, 7628728, 9535910, 19071820, 38143640]

約数ペア:

[(1, 38143640), (2, 19071820), (4, 9535910), (5, 7628728), (8, 4767955), (10, 3814364), (19, 2007560), (20, 1907182), (31, 1230440), (38, 1003780), (40, 953591), (62, 615220), (76, 501890), (95, 401512), (124, 307610), (152, 250945), (155, 246088), (190, 200756), (248, 153805), (310, 123044), (380, 100378), (589, 64760), (620, 61522), (760, 50189), (1178, 32380), (1240, 30761), (1619, 23560), (2356, 16190), (2945, 12952), (3238, 11780), (4712, 8095), (5890, 6476)]