1985902160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{72797}}^1$

素因数の和:72852

約数の個数: 80

約数和(自身を含む): 5199524352

約数和(自身を除く): 3213622192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 27280, 72797, 145594, 291188, 363985, 582376, 727970, 800767, 1164752, 1455940, 1601534, 2256707, 2911880, 3203068, 4003835, 4513414, 5823760, 6406136, 8007670, 9026828, 11283535, 12812272, 16015340, 18053656, 22567070, 24823777, 32030680, 36107312, 45134140, 49647554, 64061360, 90268280, 99295108, 124118885, 180536560, 198590216, 248237770, 397180432, 496475540, 992951080, 1985902160]

約数ペア:

[(1, 1985902160), (2, 992951080), (4, 496475540), (5, 397180432), (8, 248237770), (10, 198590216), (11, 180536560), (16, 124118885), (20, 99295108), (22, 90268280), (31, 64061360), (40, 49647554), (44, 45134140), (55, 36107312), (62, 32030680), (80, 24823777), (88, 22567070), (110, 18053656), (124, 16015340), (155, 12812272), (176, 11283535), (220, 9026828), (248, 8007670), (310, 6406136), (341, 5823760), (440, 4513414), (496, 4003835), (620, 3203068), (682, 2911880), (880, 2256707), (1240, 1601534), (1364, 1455940), (1705, 1164752), (2480, 800767), (2728, 727970), (3410, 582376), (5456, 363985), (6820, 291188), (13640, 145594), (27280, 72797)]