39665860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^2$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 93424968

約数和(自身を除く): 53759108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 61, 65, 82, 122, 130, 164, 205, 244, 260, 305, 410, 533, 610, 793, 820, 1066, 1220, 1586, 2132, 2501, 2665, 3172, 3721, 3965, 5002, 5330, 7442, 7930, 10004, 10660, 12505, 14884, 15860, 18605, 25010, 32513, 37210, 48373, 50020, 65026, 74420, 96746, 130052, 152561, 162565, 193492, 241865, 305122, 325130, 483730, 610244, 650260, 762805, 967460, 1525610, 1983293, 3051220, 3966586, 7933172, 9916465, 19832930, 39665860]

約数ペア:

[(1, 39665860), (2, 19832930), (4, 9916465), (5, 7933172), (10, 3966586), (13, 3051220), (20, 1983293), (26, 1525610), (41, 967460), (52, 762805), (61, 650260), (65, 610244), (82, 483730), (122, 325130), (130, 305122), (164, 241865), (205, 193492), (244, 162565), (260, 152561), (305, 130052), (410, 96746), (533, 74420), (610, 65026), (793, 50020), (820, 48373), (1066, 37210), (1220, 32513), (1586, 25010), (2132, 18605), (2501, 15860), (2665, 14884), (3172, 12505), (3721, 10660), (3965, 10004), (5002, 7930), (5330, 7442)]