48631640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1049}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 117180000

約数和(自身を除く): 68548360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1049, 1159, 1220, 2098, 2318, 2440, 4196, 4636, 5245, 5795, 8392, 9272, 10490, 11590, 19931, 20980, 23180, 39862, 41960, 46360, 63989, 79724, 99655, 127978, 159448, 199310, 255956, 319945, 398620, 511912, 639890, 797240, 1215791, 1279780, 2431582, 2559560, 4863164, 6078955, 9726328, 12157910, 24315820, 48631640]

約数ペア:

[(1, 48631640), (2, 24315820), (4, 12157910), (5, 9726328), (8, 6078955), (10, 4863164), (19, 2559560), (20, 2431582), (38, 1279780), (40, 1215791), (61, 797240), (76, 639890), (95, 511912), (122, 398620), (152, 319945), (190, 255956), (244, 199310), (305, 159448), (380, 127978), (488, 99655), (610, 79724), (760, 63989), (1049, 46360), (1159, 41960), (1220, 39862), (2098, 23180), (2318, 20980), (2440, 19931), (4196, 11590), (4636, 10490), (5245, 9272), (5795, 8392)]