38685520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:884

約数の個数: 80

約数和(自身を含む): 97850880

約数和(自身を除く): 59165360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 821, 1178, 1240, 1520, 1642, 2356, 2480, 2945, 3284, 4105, 4712, 5890, 6568, 8210, 9424, 11780, 13136, 15599, 16420, 23560, 25451, 31198, 32840, 47120, 50902, 62396, 65680, 77995, 101804, 124792, 127255, 155990, 203608, 249584, 254510, 311980, 407216, 483569, 509020, 623960, 967138, 1018040, 1247920, 1934276, 2036080, 2417845, 3868552, 4835690, 7737104, 9671380, 19342760, 38685520]

約数ペア:

[(1, 38685520), (2, 19342760), (4, 9671380), (5, 7737104), (8, 4835690), (10, 3868552), (16, 2417845), (19, 2036080), (20, 1934276), (31, 1247920), (38, 1018040), (40, 967138), (62, 623960), (76, 509020), (80, 483569), (95, 407216), (124, 311980), (152, 254510), (155, 249584), (190, 203608), (248, 155990), (304, 127255), (310, 124792), (380, 101804), (496, 77995), (589, 65680), (620, 62396), (760, 50902), (821, 47120), (1178, 32840), (1240, 31198), (1520, 25451), (1642, 23560), (2356, 16420), (2480, 15599), (2945, 13136), (3284, 11780), (4105, 9424), (4712, 8210), (5890, 6568)]