40804480

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 98654400

約数和(自身を除く): 57849920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 412, 515, 619, 640, 824, 1030, 1238, 1648, 2060, 2476, 3095, 3296, 4120, 4952, 6190, 6592, 8240, 9904, 12380, 13184, 16480, 19808, 24760, 32960, 39616, 49520, 63757, 65920, 79232, 99040, 127514, 198080, 255028, 318785, 396160, 510056, 637570, 1020112, 1275140, 2040224, 2550280, 4080448, 5100560, 8160896, 10201120, 20402240, 40804480]

約数ペア:

[(1, 40804480), (2, 20402240), (4, 10201120), (5, 8160896), (8, 5100560), (10, 4080448), (16, 2550280), (20, 2040224), (32, 1275140), (40, 1020112), (64, 637570), (80, 510056), (103, 396160), (128, 318785), (160, 255028), (206, 198080), (320, 127514), (412, 99040), (515, 79232), (619, 65920), (640, 63757), (824, 49520), (1030, 39616), (1238, 32960), (1648, 24760), (2060, 19808), (2476, 16480), (3095, 13184), (3296, 12380), (4120, 9904), (4952, 8240), (6190, 6592)]