64814000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1409}}^1$

素因数の和:1455

約数の個数: 80

約数和(自身を含む): 163650240

約数和(自身を除く): 98836240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 400, 460, 500, 575, 920, 1000, 1150, 1409, 1840, 2000, 2300, 2818, 2875, 4600, 5636, 5750, 7045, 9200, 11272, 11500, 14090, 22544, 23000, 28180, 32407, 35225, 46000, 56360, 64814, 70450, 112720, 129628, 140900, 162035, 176125, 259256, 281800, 324070, 352250, 518512, 563600, 648140, 704500, 810175, 1296280, 1409000, 1620350, 2592560, 2818000, 3240700, 4050875, 6481400, 8101750, 12962800, 16203500, 32407000, 64814000]

約数ペア:

[(1, 64814000), (2, 32407000), (4, 16203500), (5, 12962800), (8, 8101750), (10, 6481400), (16, 4050875), (20, 3240700), (23, 2818000), (25, 2592560), (40, 1620350), (46, 1409000), (50, 1296280), (80, 810175), (92, 704500), (100, 648140), (115, 563600), (125, 518512), (184, 352250), (200, 324070), (230, 281800), (250, 259256), (368, 176125), (400, 162035), (460, 140900), (500, 129628), (575, 112720), (920, 70450), (1000, 64814), (1150, 56360), (1409, 46000), (1840, 35225), (2000, 32407), (2300, 28180), (2818, 23000), (2875, 22544), (4600, 14090), (5636, 11500), (5750, 11272), (7045, 9200)]