39839960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 98755200

約数和(自身を除く): 58915240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 89, 95, 124, 152, 155, 178, 190, 248, 310, 356, 361, 380, 445, 589, 620, 712, 722, 760, 890, 1178, 1240, 1444, 1691, 1780, 1805, 2356, 2759, 2888, 2945, 3382, 3560, 3610, 4712, 5518, 5890, 6764, 7220, 8455, 11036, 11191, 11780, 13528, 13795, 14440, 16910, 22072, 22382, 23560, 27590, 32129, 33820, 44764, 52421, 55180, 55955, 64258, 67640, 89528, 104842, 110360, 111910, 128516, 160645, 209684, 223820, 257032, 262105, 321290, 419368, 447640, 524210, 642580, 995999, 1048420, 1285160, 1991998, 2096840, 3983996, 4979995, 7967992, 9959990, 19919980, 39839960]

約数ペア:

[(1, 39839960), (2, 19919980), (4, 9959990), (5, 7967992), (8, 4979995), (10, 3983996), (19, 2096840), (20, 1991998), (31, 1285160), (38, 1048420), (40, 995999), (62, 642580), (76, 524210), (89, 447640), (95, 419368), (124, 321290), (152, 262105), (155, 257032), (178, 223820), (190, 209684), (248, 160645), (310, 128516), (356, 111910), (361, 110360), (380, 104842), (445, 89528), (589, 67640), (620, 64258), (712, 55955), (722, 55180), (760, 52421), (890, 44764), (1178, 33820), (1240, 32129), (1444, 27590), (1691, 23560), (1780, 22382), (1805, 22072), (2356, 16910), (2759, 14440), (2888, 13795), (2945, 13528), (3382, 11780), (3560, 11191), (3610, 11036), (4712, 8455), (5518, 7220), (5890, 6764)]