13309880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 32054400

約数和(自身を除く): 18744520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 211, 332, 380, 415, 422, 664, 760, 830, 844, 1055, 1577, 1660, 1688, 2110, 3154, 3320, 4009, 4220, 6308, 7885, 8018, 8440, 12616, 15770, 16036, 17513, 20045, 31540, 32072, 35026, 40090, 63080, 70052, 80180, 87565, 140104, 160360, 175130, 332747, 350260, 665494, 700520, 1330988, 1663735, 2661976, 3327470, 6654940, 13309880]

約数ペア:

[(1, 13309880), (2, 6654940), (4, 3327470), (5, 2661976), (8, 1663735), (10, 1330988), (19, 700520), (20, 665494), (38, 350260), (40, 332747), (76, 175130), (83, 160360), (95, 140104), (152, 87565), (166, 80180), (190, 70052), (211, 63080), (332, 40090), (380, 35026), (415, 32072), (422, 31540), (664, 20045), (760, 17513), (830, 16036), (844, 15770), (1055, 12616), (1577, 8440), (1660, 8018), (1688, 7885), (2110, 6308), (3154, 4220), (3320, 4009)]