4789720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 11874240

約数和(自身を除く): 7084520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 151, 244, 260, 302, 305, 488, 520, 604, 610, 755, 793, 1208, 1220, 1510, 1586, 1963, 2440, 3020, 3172, 3926, 3965, 6040, 6344, 7852, 7930, 9211, 9815, 15704, 15860, 18422, 19630, 31720, 36844, 39260, 46055, 73688, 78520, 92110, 119743, 184220, 239486, 368440, 478972, 598715, 957944, 1197430, 2394860, 4789720]

約数ペア:

[(1, 4789720), (2, 2394860), (4, 1197430), (5, 957944), (8, 598715), (10, 478972), (13, 368440), (20, 239486), (26, 184220), (40, 119743), (52, 92110), (61, 78520), (65, 73688), (104, 46055), (122, 39260), (130, 36844), (151, 31720), (244, 19630), (260, 18422), (302, 15860), (305, 15704), (488, 9815), (520, 9211), (604, 7930), (610, 7852), (755, 6344), (793, 6040), (1208, 3965), (1220, 3926), (1510, 3172), (1586, 3020), (1963, 2440)]