64850320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 155958768

約数和(自身を除く): 91108448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 97, 122, 137, 194, 244, 274, 305, 388, 485, 488, 548, 610, 685, 776, 970, 976, 1096, 1220, 1370, 1552, 1940, 2192, 2440, 2740, 3880, 4880, 5480, 5917, 7760, 8357, 10960, 11834, 13289, 16714, 23668, 26578, 29585, 33428, 41785, 47336, 53156, 59170, 66445, 66856, 83570, 94672, 106312, 118340, 132890, 133712, 167140, 212624, 236680, 265780, 334280, 473360, 531560, 668560, 810629, 1063120, 1621258, 3242516, 4053145, 6485032, 8106290, 12970064, 16212580, 32425160, 64850320]

約数ペア:

[(1, 64850320), (2, 32425160), (4, 16212580), (5, 12970064), (8, 8106290), (10, 6485032), (16, 4053145), (20, 3242516), (40, 1621258), (61, 1063120), (80, 810629), (97, 668560), (122, 531560), (137, 473360), (194, 334280), (244, 265780), (274, 236680), (305, 212624), (388, 167140), (485, 133712), (488, 132890), (548, 118340), (610, 106312), (685, 94672), (776, 83570), (970, 66856), (976, 66445), (1096, 59170), (1220, 53156), (1370, 47336), (1552, 41785), (1940, 33428), (2192, 29585), (2440, 26578), (2740, 23668), (3880, 16714), (4880, 13289), (5480, 11834), (5917, 10960), (7760, 8357)]