86865220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5477}}^1$

素因数の和:5560

約数の個数: 48

約数和(自身を含む): 199705968

約数和(自身を除く): 112840748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 5477, 7930, 10954, 15860, 21908, 27385, 54770, 71201, 109540, 142402, 284804, 334097, 356005, 668194, 712010, 1336388, 1424020, 1670485, 3340970, 4343261, 6681940, 8686522, 17373044, 21716305, 43432610, 86865220]

約数ペア:

[(1, 86865220), (2, 43432610), (4, 21716305), (5, 17373044), (10, 8686522), (13, 6681940), (20, 4343261), (26, 3340970), (52, 1670485), (61, 1424020), (65, 1336388), (122, 712010), (130, 668194), (244, 356005), (260, 334097), (305, 284804), (610, 142402), (793, 109540), (1220, 71201), (1586, 54770), (3172, 27385), (3965, 21908), (5477, 15860), (7930, 10954)]