4409080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 10936800

約数和(自身を除く): 6527720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 139, 244, 260, 278, 305, 488, 520, 556, 610, 695, 793, 1112, 1220, 1390, 1586, 1807, 2440, 2780, 3172, 3614, 3965, 5560, 6344, 7228, 7930, 8479, 9035, 14456, 15860, 16958, 18070, 31720, 33916, 36140, 42395, 67832, 72280, 84790, 110227, 169580, 220454, 339160, 440908, 551135, 881816, 1102270, 2204540, 4409080]

約数ペア:

[(1, 4409080), (2, 2204540), (4, 1102270), (5, 881816), (8, 551135), (10, 440908), (13, 339160), (20, 220454), (26, 169580), (40, 110227), (52, 84790), (61, 72280), (65, 67832), (104, 42395), (122, 36140), (130, 33916), (139, 31720), (244, 18070), (260, 16958), (278, 15860), (305, 14456), (488, 9035), (520, 8479), (556, 7930), (610, 7228), (695, 6344), (793, 5560), (1112, 3965), (1220, 3614), (1390, 3172), (1586, 2780), (1807, 2440)]