48806440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 116640000

約数和(自身を除く): 67833560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 431, 596, 745, 760, 862, 1192, 1490, 1724, 2155, 2831, 2980, 3448, 4310, 5662, 5960, 8189, 8620, 11324, 14155, 16378, 17240, 22648, 28310, 32756, 40945, 56620, 64219, 65512, 81890, 113240, 128438, 163780, 256876, 321095, 327560, 513752, 642190, 1220161, 1284380, 2440322, 2568760, 4880644, 6100805, 9761288, 12201610, 24403220, 48806440]

約数ペア:

[(1, 48806440), (2, 24403220), (4, 12201610), (5, 9761288), (8, 6100805), (10, 4880644), (19, 2568760), (20, 2440322), (38, 1284380), (40, 1220161), (76, 642190), (95, 513752), (149, 327560), (152, 321095), (190, 256876), (298, 163780), (380, 128438), (431, 113240), (596, 81890), (745, 65512), (760, 64219), (862, 56620), (1192, 40945), (1490, 32756), (1724, 28310), (2155, 22648), (2831, 17240), (2980, 16378), (3448, 14155), (4310, 11324), (5662, 8620), (5960, 8189)]