38809420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2447}}^1$

素因数の和:2530

約数の個数: 48

約数和(自身を含む): 89244288

約数和(自身を除く): 50434868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 2447, 3172, 3965, 4894, 7930, 9788, 12235, 15860, 24470, 31811, 48940, 63622, 127244, 149267, 159055, 298534, 318110, 597068, 636220, 746335, 1492670, 1940471, 2985340, 3880942, 7761884, 9702355, 19404710, 38809420]

約数ペア:

[(1, 38809420), (2, 19404710), (4, 9702355), (5, 7761884), (10, 3880942), (13, 2985340), (20, 1940471), (26, 1492670), (52, 746335), (61, 636220), (65, 597068), (122, 318110), (130, 298534), (244, 159055), (260, 149267), (305, 127244), (610, 63622), (793, 48940), (1220, 31811), (1586, 24470), (2447, 15860), (3172, 12235), (3965, 9788), (4894, 7930)]